252431885476 has 27 divisors (see below), whose sum is σ = 444098117379. Its totient is φ = 125550228288.

The previous prime is 252431885449. The next prime is 252431885479. The reversal of 252431885476 is 674588134252.

It is a happy number.

The square root of 252431885476 is 502426.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21670784100 + 230761101376 = 147210^2 + 480376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252431885479) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 230110560 + ... + 230111656.

Almost surely, 2^252431885476 is an apocalyptic number.

252431885476 is the 502426-th square number.

It is an amenable number.

252431885476 is a deficient number, since it is larger than the sum of its proper divisors (191666231903).

252431885476 is an frugal number, since it uses more digits than its factorization.

252431885476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 1328 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 55.

The spelling of 252431885476 in words is "two hundred fifty-two billion, four hundred thirty-one million, eight hundred eighty-five thousand, four hundred seventy-six".